rialbyJury
It's no
accident
that
you
hear
soclearly
whenyou
pick
up
your
telephone.
Bell
Laboratories
engineers
areconstantly
at work
to
make
listening
easy
for
you.
When
these
engineers
design
amethod
to bring
speech
still
more
clearly
to
your ears,
the
new
circuit
isgiven
manyscientific
tests.
Then
itis"put
on trial"
before
aSound
Jury
like
the
one shown
above.
Thisisatest
oftheway
the
system
will work
inactual
use.
The
jurors,
represent
you
and
many
millions
of
other
telephone
listeners.
Their
trained
ears
check
syllables,
words
and
sentences
asthey
come
over
thetelephones.
While
they
listen,
they
write
down
their
"verdict."
They
vote
approval
only
when
they
aresure
that
thevoice
they
hear
isnatural
intone,
clear
inquality
and
easily
understood.
Only
when
they
aresure
thecircuit
will
suit
your
ear
isitput
into
use.
BELL
TELEPHONE
SYSTEM
9 BELL TELEPHONE
LABORATORIES
Agreat
research
organization,
working
tobring
you
the
best
possible
telephone
service
at
the
lowest
possible
cost